Home / 6,540.28-9,022.54-3,886.16

Finding the Fourth Proportional to 6,540.28, 9,022.54 and 3,886.16

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Solution

The fourth proportional to 6,540.28, 9,022.54 and 3,886.16 is: 5,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.28 : 9,022.54 = 3,886.16 : x
  2. Step 2: Convert to fraction form
    6,540.28/9,022.54 = 3,886.16/x
  3. Step 3: Cross multiply
    6,540.28x = 9,022.54 × 3,886.16
  4. Step 4: Simplify right side
    6,540.28x = 35,063,034.05
  5. Step 5: Solve for x
    x = 35,063,034.05/6,540.28
  6. Step 6: Final answer
    x = 5,361.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.